Waterproof Sealant - Roof & Gutter Coating, Black, 1 Gallon DIY Leak Repair Coating, Flexible Elastomeric Waterproofing Membrane for Flat & Low-Slope Roofs, Gutters, Concrete, Plywood

INDUSTRIAL STRENGTH BITUMEN FORMULA - Create a seamless waterproof membrane on flat roofs, metal roofs, low slope roofs, foundations, gutters, concrete surfaces, planter boxes, and more. Our premium formula forms a durable barrier against water infiltration where other sealants fail. A superior alternative to traditional roof tar or patch products. SUPERIOR FLEXIBILITY & DURABILITY - With over 950% elongation, this waterproof sealant maintains adhesion even with building movement and temperature changes. Our sealant is designed to resist cracking, peeling, and UV damage. Creates a flexible rubberized coating that delivers long-lasting protection.

PROFESSIONAL COVERAGE SPECIFICATIONS - Brush, roll, or spray on. For flat/low slope roofs
& standing water surfaces: 1 gallon covers 15 sq ft (3-4 heavy coats to achieve 60-80 mil membrane).
For vertical surfaces like foundations: 1 gallon covers 30 sq ft (2-3 heavy coats for 30 mil membrane). Ideal for both roof repair and preventative maintenance applications. WATER-BASED ADVANCED FORMULA - Unlike harsh roof tar or solvent-based products, our water-based formula contains no VOCs or harmful odors, making it perfect for indoor and outdoor use. Doesn't damage foam insulation or sensitive materials. Perfect for waterproofing projects in confined spaces. ENGINEERED WATERPROOFING SYSTEM - For maximum protection, use with Seam Tape or Geo-Textile to bridge joints, seams, vents, skylights, and protrusions where movement may occur. Creates a comprehensive waterproofing system for long-lasting leak repair and prevention on your roof, basement, or foundation. USED BY PROFESSIONALS & DIYers ALIKE - With millions of gallons sold, this is the go-to choice for contractors, property managers, and homeowners tackling projects from roof leak fixes to basement waterproofing. Our high-performance formula delivers professional results whether you're an experienced pro or a first-time DIYer. PREMIUM ADHESION TECHNOLOGY - Superior adhesion to most building materials including metal, concrete, wood, and more. This hardware sealer can remain tacky after curing - NOT suitable for walking surfaces such as walkways, patios, or decks.

Use for waterproofing applications where foot traffic is minimal or not needed